#6679EB
Closest named color: Cornflower (#6A79F7). oklch(61.8% 0.171 273.2), rgb(102, 121, 235).
Aa
Black text reads best on this color (5.49:1).
About this color
#6679EB is a medium-dark, vivid blue. In OKLCH its lightness is 62%, its chroma 0.171 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.019 away. Black text reads best on it, at 5.49:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.171) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.49:1 |
| White text | 3.81:1 |
Values
| HEX | #6679EB |
| RGB | rgb(102, 121, 235) |
| HSL | hsl(231, 77%, 66%) |
| OKLCH | oklch(61.8% 0.171 273.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #6679EB | 3.81:1 | AA large text | Lc -70.9 | Content text, not long reading |
| Black text on #6679EB | 5.49:1 | AA | Lc 38.6 | Non-text elements, placeholder text |
| #6679EB text on white | 3.81:1 | AA large text | Lc 65.4 | Content text, not long reading |
| #6679EB text on black | 5.49:1 | AA | Lc -36.2 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CFD8F9
oklch(88.6% 0.047 273.4)
-
Step 300
300
#AFBDF7
oklch(80.8% 0.084 273.9)
-
Step 400
400
#8699F4
oklch(70.7% 0.135 273.5)
-
Step 500
500 (this color)
#6679EB
oklch(61.8% 0.171 273.2)
-
Step 600
600
#5363DE
oklch(55.6% 0.187 273.1)
-
Step 700
700
#4451C1
oklch(49.1% 0.174 273.2)
-
Step 800
800
#38439C
oklch(42.7% 0.144 273.3)
-
Step 900
900
#303A7C
oklch(37.8% 0.112 273.4)
-
Step 950
950
#1C2249
oklch(27% 0.072 274)
#6679EB with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #4088EF | 0.048 |
| Deuteranopia (no green cones) | #2B7DE9 | 0.054 |
| Tritanopia (no blue cones) | #0C93A7 | 0.152 |
| Achromatopsia (no color) | #828282 | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6679EB
#6679EB
oklch(61.8% 0.171 273.2)
- #A08300
#A08300
oklch(61.9% 0.127 93.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6679EB, closest first.
No curated palette has a color within ΔE 0.04 of #6679EB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.019
- Soft Blue #6488EA ΔE 0.038
- Medium Slate Blue #7B68EE ΔE 0.047
- Clear Blue #247AFD ΔE 0.062
- Dark Sky Blue #448EE4 ΔE 0.062
- Royal Blue #4169E1 ΔE 0.064
- Periwinkle #8E82FE ΔE 0.067
- Lavender Blue #8B88F8 ΔE 0.068
Use #6679EB in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.